New book chapter on begging call mimicry

Apr 15, 2018

diederik chick
Begging calls provide nestling brood parasites with a powerful and flexible tool for avoiding rejection, altering parental provisioning and competing with host nestmates. Despite much research into the topic, no synthesis of parasite vocal strategies for host manipulation has yet been made. In a recently-published book chapter, Gabriel Jamie and Rebecca Kilner review the literature on mimicry of host begging calls by avian brood parasites. They show that this is a more widespread phenomenon than previously appreciated and outline the selective forces that can lead to its evolution. Finally, they propose a theoretical framework to explain variation in the way brood parasite begging calls develop. They suggest that the mode of development can be predicted from a consideration of the accuracy of genetic cues (as mediated by parasite specialisation levels), and the benefits to the young parasite of using environmental cues to modulate their begging call (as influenced by levels of discrimination shown by host parents).

News

Symposium on moult in tropical birds at International Ornithological Congress

Dr Gabriel Jamie and Dr Chima Nwaogu organised a symposium on “The ecology and evolution of moult in tropical birds” as part of the International Ornithological Congress. The symposium included a Round Table discussion as well as invited talks from a range of speakers including Dr Yahkat Barshep (A. P. Leventis Ornithological Research Institute, Nigeria), Dr Barbara Helm (Swiss Ornithological Research Institute, Switzerland), Dr Oluwadunsin Adekola (FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa & Federal University of Technology, Akure, Nigeria) and Dr Yosef Kiat (University of Haifa, Israel).

read more

Dr Gabriel Jamie speaks at European Society for Evolutionary Biology conference

Dr Gabriel Jamie was an invited speaker at the European Society for Evolutionary Biology conference in Prague, Czech Republic, as part of the symposium on “Repeated and Parallel Evolution in Adaptive Radiations. Gabriel spoke on “The persistence of polymorphisms across species radiations” building on work conducted together with Dr Joana Meier. To learn more about this research you can read their Trends in Ecology and Evolution paper here.

read more

Evolutionary Biology Crash Course

Tanmay Dixit was a member of a team organising and lecturing in the inaugural Evolutionary Biology Crash Course. This course, aimed at undergraduate or early-postgraduate students, teaches evolutionary principles to students who have had limited opportunities to be exposed to evolutionary ideas. The course is funded by the Equal Opportunities Initiative Fund of the European Society of Evolutionary Biology (ESEB). Tanmay presented lectures on behavioural ecology and evolution, focussing on kin selection, coevolution, and parasitism. Over 700 students, with the vast majority from the global South, attended the course, which was a resounding success!

read more